Wednesday, May 5, 2021

q-Powders: a quick test for screening retronasal olfactory disorders with tasteless powders

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Eur Arch Otorhinolaryngol. 2021 May 4. doi: 10.1007/s00405-021-06849-8. Online ahead of print.

ABSTRACT

PURPOSE: To investigate the clinical utility of q-Powders-a retronasal identification screening test.

METHODS: A total of 156 subjects (92 females, mean age: 54.5 years ± 17.3 years) completed a 3-item q-Powders retronasal identification test and a 16-items Sniffin' Sticks orthonasal identification test. We analyzed whether the q-Powders test could differentiate between subjects with normosmia and subjects with an olfactory disorder.

RESULTS: Our data indicated that subjects with an olfactory disorder scored lower in the q-Powders test than subjects with normosmia. The analyses revealed q-Powders test sensitivity of 84% and a test specificity of 64.9% with a score of 2 points taken as a cutoff for olfactory disorders.

CONCLUSION: The 3-item q-Powders retronasal test may be used for screening purposes in clinical re search.

LEVEL OF EVIDENCE: 4.

PMID:33948681 | DOI:10.1007/s00405-021-06849-8

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